feat: part 1 of 'reserve deposit' transaction submission #1483

Job	Run time
build	1m 11s
devshell-tests (nixos)	19s
devshell-tests (macos)	42s
upload-chain-specs	19s
local-environment-tests	0s
deploy-argocd	0s
deploy-rustdoc	1m 51s
local-environment-tests-post-merge	9m 55s
local-environment-tests-alert	0s
argocd-tests	0s
teardown-argocd	0s
pre-merge-checks-complete	0s
local-environment-tests-post-merge-alert	5s
post-merge-actions-complete	2s
	14m 24s

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